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Finding the Fourth Proportional to 14,455.01, 19,946.31 and 8,167.39

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Solution

The fourth proportional to 14,455.01, 19,946.31 and 8,167.39 is: 11,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.01 : 19,946.31 = 8,167.39 : x
  2. Step 2: Convert to fraction form
    14,455.01/19,946.31 = 8,167.39/x
  3. Step 3: Cross multiply
    14,455.01x = 19,946.31 × 8,167.39
  4. Step 4: Simplify right side
    14,455.01x = 162,909,292.83
  5. Step 5: Solve for x
    x = 162,909,292.83/14,455.01
  6. Step 6: Final answer
    x = 11,270.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.